protection against insane IMCs and IMVs

src/libcharon/tnc/imc/imc_manager.h

@@ -48,6 +48,14 @@ struct imc_manager_t {
 	 */
 	imc_t* (*remove)(imc_manager_t *this, TNC_IMCID id);
 
+	/**
+	 * Check if an IMC with a given ID is registered with the IMC manager
+	 *
+	 * @param id				ID of IMC instance
+	 * @return					TRUE if registered
+	 */
+	bool (*is_registered)(imc_manager_t *this, TNC_IMCID id);
+
 	/**
 	 * Return the preferred language for recommendations
 	 *

src/libcharon/tnc/imv/imv_manager.h

@@ -49,6 +49,15 @@ struct imv_manager_t {
 	 */
 	imv_t* (*remove)(imv_manager_t *this, TNC_IMVID id);
 
+	/**
+	 * Check if an IMV with a given ID is registered with the IMV manager
+	 *
+	 * @param id				ID of IMV instance
+	 * @return					TRUE if registered
+	 */
+	bool (*is_registered)(imv_manager_t *this, TNC_IMVID id);
+
+
 	/**
 	 * Get the configured recommendation policy
 	 *